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18.7.3.3 Supplying, fitting and fixing of 20mm thick Mineral Fiber Acoustic ceiling, (drop/ plain/ straight/ curve) (Made in UK/Germany/ Italy/ France or equivalent quality product) with high grade mineral wool, surface finish with white ultra vinyl latex paint, surface treatment-film coating, anti-fungal & anti bacterial humidity resistant greater than 90%, light reflectivity more than 90%, NRC value 0.90 -1.00, medium density, size of board: 600mm x 600mm, fire rating B1 standard, framing with 600mm x 600 mm grid suspended from ceiling using screw, nut, adjustable hanger hook, anchor, T-Grid, Wall angle, Main runner, thread rod, 38mm carrier bracket, connector, sleeve anchor, suspension bracket etc. all complete as per drawing, architectural and acoustic design (NRC 0.9-1.0) and accepted by the Engineer-in-charge. Measurement will be taken as per finished surface area. The brick/ RCC surface shall be dry and damp-proof.(This item is for acoustic work in auditorium, Hall Room, Seminar Room etc.) (Rate is excluding cost of polish/ paint etc. of any type).

Considering : 10'-0"X10'-0" = 100 sft

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 20mm thick Auditorium Mineral Fiber Acoustic ceiling board (European standard) 20mm thick Mineral Fiber Acoustic ceiling board 10'-0" X 10'-0' = 100.00 sft Add 5% wastage= 5.00 sft = 105.00 sft 105 sft 560 per sft 560 58800
2 T-section (main T) for false ceiling(Anodized at any colour) Main Runner (38x24x0.50x3000mm) 50 rft, 5% wastage 52.5 rft 28 per foot 28 1470
3 T-section (cross T) for false ceiling(Anodized at any colour) Short cross Tee (26x24x0.50x600mm), 50 rft, 5% wastage 52.5 rft 24 per foot 24 1260
4 L-section for wall and ceiling(Anodized at any colour) Angle or L-section(22x22x0.50x3000mm): 4 x 10'- 0"= 40rft 40 rft 23 per foot 23 920
5 Butterfly hanger Butterfly hanger L600mm x 12 nos, 9.45 rft 43.5 per foot 43.5 411.07
6 Skilled technician (i) Technician/ Acoustic Specialist carpenter 4.25 nos 1200 per day 1200 5100
7 Skilled labour (ii) Helper to Acoustic Specialist carpenter 8.5 nos 600 per day 600 5100
8 Scaffolding LS 400
9 Local carriage, sundries in/c loading/unloading- LS 700
Sub-Total 74161.07
Contractor's Profit 10% 0.1 7416.11
Contractor's Overhead Expenses 3.5% 0.035 2595.64
Total 84172.82
Add VAT with adjustment factor. 1.08108 7.5% 0.075 6824.82
Grand Total 90997.64
Rate per sft 909.98
Rate per sqm 9795.02
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